Use NextJS middleware for proxying

docker/zammad/setup.rb

@@ -3,8 +3,18 @@
 packages = Dir.glob('/opt/zammad/contrib/link/addons/*')
 
 packages.each do |package|
+  puts "Attempting to uninstall #{package} package..."
+  existing_package = Package.find_by(name: package.name)
+  if existing_package.blank?
+    puts "Package #{name} is not installed."
+  else
+    puts "Uninstalling #{package.name} #{package.version}..."
+    Package.uninstall(name: package.name, version: package.version)
+    puts 'Uninstalled'
+  end
   puts "Installing #{package} package..."
   Package.install(file: package)
+  puts 'Installed'
 rescue StandardError => e
   puts e.message
 end